<template>
    <div class="login-container">
        <video class="video" muted src="../../assets/video/videoplayback (1).mp4" loop="loop" autoplay="true"></video>
        <div class="bg2"></div>
        <!--  -->
        <el-form class="login-loginForm" :model="loginForm" status-icon :rules="rules" ref="loginForm"
            abel-width="100px">
            <h1 class="title">学员管理</h1>
            <!-- <i :class="['jiaobiao', 'iconfont']"></i> -->
            <i @click="changeLoginType" :class="['jiaobiao', 'iconfont', jiaobiaoType]"></i>

            <!-- 常规登录 -->
            <CommonLogin v-if="loginType === 'common'" @changeSmsType="changeSmsType"
                @syncLoginForm="handleSyncLoginForm" @submit="submit" ref="commonLogin"></CommonLogin>

            <!-- 二维码登录 -->
            <QrLogin v-else-if="loginType === 'qrcode'" :storageUserInfo="storageUserInfo"></QrLogin>

            <!-- 短信登录 -->
            <SmsLogin v-else :storageUserInfo="storageUserInfo"></SmsLogin>

        </el-form>
    </div>
</template>

<script>
import CommonLogin from "../../components/Login/commonLogin.vue";
import SmsLogin from "../../components/Login/smsLogin.vue"
import QrLogin from "../../components/Login/qrLogin.vue"
import * as api from "../../api/users"
import storage from "../../utils/storage"

//校验用户名
var validateUsername = (rule, value, callback) => {
    //3-16数字字母下划线
    var reg = /^\w{3,16}$/;
    if (reg.test(value)) {
        //验证通过
        callback();
    } else {
        callback("用户名可以是字母数字下划线,3-16位");
    }
};
//校验密码
var validatePassword = (rule, value, callback) => {
    if (value.length < 3) {
        callback("密码长度不能小于3位");
    } else {
        callback();
    }
};
//校验验证码
var validateCaptcha = (rule, value, callback) => {
    //callback只要传参了,表示表单验证不通过,不传参表示表单验证通过
    //value就是在input中的输入值
    //rule是个对象,就是验证对象
    if (value.length !== 5) {
        callback("验证码必须是5位");
    } else {
        callback();
    }
};

export default {
    components: {
        CommonLogin,
        QrLogin,
        SmsLogin
    },
    data() {
        return {
            //common常规登入 | qrcode二维码 | sms:短信验证码
            loginType: 'common',//登入方式
            loginForm: {
                username: "lbw",
                password: "555",
                captcha: "",
            },
            rules: {
                username: [{ validator: validateUsername, trigger: "blur" }],
                password: [{ validator: validatePassword, trigger: "blur" }],
                captcha: [{ validator: validateCaptcha, trigger: "blur" }],
            },
        };
    },
    //计算属性
    computed: {
        jiaobiaoType() {
            if (this.loginType === "common") {
                return 'icon-erweimajiaobiao'
            }
            if (this.loginType === "qrcode" || this.loginType === "sms") {
                return 'icon-diannaojiaobiao'
            }
        }
    },
    methods: {
        //更改成短信登入
        changeSmsType() {
            this.loginType = 'sms'
        },
        //更改登入方式
        changeLoginType() {
            // console.log(123)
            if (this.loginType === "common") {
                this.loginType = 'qrcode'
            } else if (this.loginType === "qrcode") {
                this.loginType = 'common'
            } else if (this.loginType === 'sms') {
                this.loginType = 'common'
            }
        },
        handleSyncLoginForm(newLoginForm) {
            // console.log(newLoginForm)
            this.loginForm = newLoginForm;
        },
        //表单提交
        submit() {
            this.$refs["loginForm"].validate((valid) => {
                if (valid) {
                    //登入
                    //1.获取后台的验证码
                    //2.进行本地校验
                    //3.本地校验通过=>先校验验证码
                    //4.验证码通过再校验用户名和密码
                    //5.成功和失败
                    //本地校验通过
                    // alert("submit!");
                    api.verifyCaptcha(this.loginForm.captcha)
                        .then(async res => {
                            if (res.data.state) {
                                //验证码通过,校验用户名和密码
                                let { username, password } = this.loginForm
                                let res = await api.loginApi(username, password)
                                // console.log(res);
                                //登入成功
                                if (res.data.state) {
                                    //存储用户信息到本地
                                    this.storageUserInfo(res.data)
                                    //跳转到主页
                                    this.$router.push("/")
                                }
                            } else {
                                // 验证码不通过 刷新验证码
                                this.$refs['commonLogin'].getCaptcha()
                            }
                        })
                } else {
                    // 本地校验不通过
                    console.log("error submit!!");
                    return false;
                }
            });
            // console.log('123');
            // console.log(this.$refs);
        },
        //封装一个方法,用于存储用户的信息和token
        storageUserInfo({ userInfo, token, permission }) {
            // 将信息存到vuex
            this.$store.commit('users/SET_USERINFO', userInfo)
            storage.set('userInfo', userInfo)
            storage.set('qf-token', token)
            storage.set('permission', permission)

        },

    },
};
</script>

<style scoped lang="less">
//样式设置不上的情况,解决方案
//1.检查类名是否正确
//2.检查权重是否正确
//3.检查是否需要穿透
.icon-wx {
    width: 25px !important;
    height: 25px !important;
    vertical-align: -7px;
    margin-right: 3px;
}

.login-container {
    text-align: center;
    color: #fff;

    .common-login {
        padding-right: 50px;
    }

    //二维码样式
    .erwei .img {
        display: inline-block;
        position: relative;
        width: 200px;
        height: 200px;
        margin-bottom: 10px;

        img {
            position: absolute;
            left: 0;

        }

        .mask {
            width: 100%;
            height: 100%;
            opacity: 0.8;
            background-color: #fff;
            position: absolute;
            left: 0;
            // background-image: url("../../assets/img/scancode.png");
            background-size: 50%;
            background-repeat: no-repeat;
            background-position: center;
            cursor: pointer;
        }
    }

    .jiaobiao {
        font-size: 60px;
        color: #fff;
        position: absolute;
        right: 0px;
        top: 0px;
        cursor: pointer;
        opacity: 0.7;
    }

    .video {
        position: fixed;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
    }

    .bg2 {
        // background-image: url("../../assets/img/bg2.png");
        background-repeat: no-repeat;
        position: fixed;
        width: 20%;
        height: 40%;
        background-size: 100% 100%;
        left: 20%;
        top: 40%;
        opacity: 0.5;
    }

    .el-form {
        position: fixed;
        right: 10%;
        top: 25%;
        border-radius: 5px;
        width: 400px;
        background-color: rgba(0, 0, 0, 0.3);
        padding: 60px 0 10px 0;

        /deep/ .el-input {
            width: 250px;
        }

        /deep/ .el-input__inner {
            width: 250px;
        }

        /deep/ .el-button--primary {
            background: linear-gradient(90deg, #1596fb, #002dff);
            width: 250px;
            margin-left: 96px;
        }

        /deep/ .el-form-item__label {
            color: #fff;
            padding-left: 32px;
        }

        /deep/ .el-form-item__error {
            position: absolute;
            top: 100%;
            left: 100px;
        }

        .title {
            margin: 0 0 30px 0;
            text-align: center;
            color: #fff;
        }

        /deep/ .captcha {
            width: 100px;
            vertical-align: top;

            .el-input__inner {
                width: 100%;
                height: 45px;
                border-radius: 5px 0 0 5px;
                border: 0;
                font-size: 18px;
            }
        }

        svg path {
            stroke: red;
        }

        .captcha-svg {
            background: #fff;
            display: inline-block;
            height: 45px;
            width: 150px;
            text-align: center;
            cursor: pointer;
            border: 0;
            border-radius: 0px 5px 5px 0;
        }

        .el-form-item__content {
            line-height: 1px !important;
            margin-left: 30px !important;
            width: 250px !important;
        }
    }
}

.sms {
    margin-left: -15px !important;
    width: 250px !important;
}

.smsContainer {
    padding-right: 20px !important;
    width: 89%;

    /deep/ .el-form-item__label {
        // margin-left: 80px !important
        padding: 0 !important;
        padding-right: 10px !important;
    }

    /deep/ .phone {
        width: 140px !important;
    }

    /deep/ .captcha-svg {
        width: 115px !important;
    }

    /deep/ .el-form-item__content {
        margin: 0;
    }
}

// .smsContainer{
// 	width:300px;
// }
</style>
